Now that it's summer break, Saki is saddened by the long separation, so Ryuji gives her a notebook he borrowed from Makoto. In high spirits, Saki goes to the Hanaoka residence with the notebook, but then...
Once every 72 hours!
Un messaggio ogni settantadue ore!
Uma vez a cada 72 horas!
Раз в семьдесят два часа!